GB 18614-2012 English PDFUS$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 18614-2012: Fire extinguishing agent heptafluoropropane (HFC227ea) Status: Valid GB 18614: Historical versions
Basic dataStandard ID: GB 18614-2012 (GB18614-2012)Description (Translated English): Fire extinguishing agent heptafluoropropane (HFC227ea) Sector / Industry: National Standard Classification of Chinese Standard: C84 Classification of International Standard: 13.220.10 Word Count Estimation: 14,172 Older Standard (superseded by this standard): GB 18614-2002 Quoted Standard: GB/T 191-2008; GB/T 601; GB/T 603; GB 5749; GB/T 5907; GB/T 6682; GB/T 7376; GB 14193; GB 14922.1; GB 14922.2; GB 14923; GB 14924.3; GB 14925; GB/T 20702-2006 Adopted Standard: ISO 14520-9-2006, NEQ Regulation (derived from): National Standards Bulletin 2012 No. 41 National Standards Commission recently released 16 national standards for fire protection Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This Chinese standard specifies the Heptafluoropropane (HFC227ea) extinguishing the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, storage and so on. This standard applies to seven fluorine propane GB 18614-2012: Fire extinguishing agent heptafluoropropane (HFC227ea)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Fire extinguishing agent heptafluoropropane (HFC227ea) ICS 13.220.10 C84 National Standards of People's Republic of China Replacing GB 18614-2002 Heptafluoropropane (HFC227ea) fire extinguishing agent (ISO 14520-9.2006, Gaseousfire-extinguishingsystems-Physical propertiesandsystemdesign-Part 9. HFC227eaextinguishant, NEQ) Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsPreface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Requirements 1 5 Test Method 2 5.1 General provisions 2 5.2 Sampling 2 5.3 Determination of the purity of 3 5.4 Determination of acidity 3 5.5 Moisture 4 5.6 Determination of evaporation residue 4 5.7 Determination of suspended solids or sediment 6 5.8 extinguishing concentration (cup burner method) 6 5.9 Determination of toxicity 6 6 Inspection rules 8 6.1 inspection category and item 8 6.2 Batch 9 9 6.3 Sampling 6.4 test results to determine 9 7 signs, packaging, transportation and storage 9 7.1 marks 9 7.2 Packaging 9 7.3 Transportation 9 7.4 Storage 10ForewordChapter 4 of this standard, Chapter 6 are mandatory, the rest are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB 18614-2002 "heptafluoropropane (HFC227ea) fire extinguishing agent", compared with GB 18614-2002, the main technical Changes are as follows. --- Modify the "acidity" test method (see 54, 2002 version 5.3.); --- An increase of "Toxic", "concentration of fire" test items and test methods (see Chapter 4, Table 1 and 5.8,5.9); The standard reference method using redrafted ISO 14520-9.2006 "gas fire extinguishing systems - Physical properties and system design - Part 9. HFC227ea extinguishing agents "(in English) establishment, and ISO 14520-9.2006 is equivalent to the degree of non-conformity. The standard proposed by the People's Republic of China Ministry of Public Security. This standard by the National Standardization Technical Committee of fire extinguishing agent Technical Committee (SAC/TC113/SC3) centralized. This standard was drafted. Tianjin Fire Research Institute of Ministry of Public Security. The main drafters of this standard. Shuang Zhuang, Li Shu, Ma Jianming, Zhang Bin, Wang Shuai, Zhang Lu. This standard replaces the standards previously issued as follows. --- GB 18614-2002. Heptafluoropropane (HFC227ea) fire extinguishing agent1 ScopeThis standard specifies the heptafluoropropane (HFC227ea) terms and definitions extinguishing agent requirements, test methods, inspection rules, marking, packaging, Transportation, storage and so on. This standard applies to seven fluorine propane (HFC227ea) extinguishing agent.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191-2008 Packaging - Pictorial signs Preparation of GB/T 601 chemical reagent standard titration solution GB/T 603 chemical reagent in test methods - Preparations with GB 5749 drinking water health standards GB/T 5907 fire first part basic terms Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 7376 Determination of water by industrial fluorinated alkanes Trace GB 14193 Rules for filling of liquefied gas cylinders GB 14922.1 Laboratory Animal parasitology rating and monitoring GB 14922.2 Microbiology Laboratory Animal rating and monitoring Genetic quality of GB 14923 animals mammals animal control GB 14924.3 animal feed nutrients GB 14925 Laboratory Animal Facilities and Environment GB/T 20702-2006 gas fire extinguishing performance test methods3 Terms and DefinitionsGB/T 5907, GB/T 20702-2006 and as defined in the following terms and definitions apply to this document. 3.1 For extinguishing heptafluoropropane (HFC227ea). NOTE. heptafluoropropane according to our chemical nomenclature system should 1,1,1,2,3,3,3-heptafluoropropane, in accordance with the internationally accepted nomenclature called Halon HFC227ea. Specific meaning is. HFC Representative hydrofluorocarbons; 2 represents a carbon atom number minus 1 (i.e. three carbon atoms); 2 represents a hydrogen atom number plus 1 (i.e. A hydrogen atom); 7 represents a fluorine atom number (i.e., seven fluorine atoms); E represents a substituent to form an intermediate carbon atoms -CHF-; a represents carbon atom at both ends Sub-atomic weight of substituted and the difference between the minimum that is the most symmetrical.4 RequirementsHeptafluoropropane (HFC227ea) extinguishing agent shall comply with the technical performance requirements in Table 1. Table 1 heptafluoropropane (HFC227ea) fire extinguishing agent technology performance Project Type Technical indicators failed Purity /% (m/m) ≥99.6 A Acidity /% (m/m) ≤1 × 10-4 A Moisture /% (m/m) ≤10 × 10-4 A Evaporation residue /% (m/m) ≤0.01 B Suspension or no turbidity or precipitate precipitate B Extinguishing concentration (cup burner method) /% (V/V) 6.7 ± 0.2 A toxicity No anesthesia narcotic symptoms and characteristics A No irritation and irritation characteristics A5 Test methods5.1 General provisions This standard reagents and water in the absence of other requirements specified refers to three analytical reagent water and GB/T 6682 stipulated. Standard solutions used in the experiment, did not indicate when the other requirements according to GB T 601, the provisions of preparation/GB/T 603's. 5.2 Sampling 5.2.1 Sample Cylinders Sample cylinders shall meet the following requirements. a) made of stainless steel; b) design pressure of not less than 1.5MPa. 5.2.2 processing method of sample cylinder Sample cylinders before first use, need water and an appropriate solvent (such as ethanol or acetone) and dried. After washing, at 105 ℃ ~ 110 ℃ Drying oven bake within 3h ~ 4h, while hot cylinder was evacuated to an absolute pressure of not more than 1.3kPa, and this pressure was maintained 1h ~ 2h, then close the cylinder valve to prepare for sampling. Before each subsequent sampling should be remaining in the cylinder heptafluoropropane (HFC227ea) extinguishing agent sample vent, still 1.3kPa After 1h under vacuum, then poured into a small amount of heptafluoropropane (HFC227ea) fire extinguishing agent, continue to maintain a vacuum sampling cylinder 1h clear Clean and dry. 5.2.3 Sampling methods Dry with a stainless steel capillary tube is connected to the filling heptafluoropropane (HFC227ea) extinguishing agent cylinder outlet valve, stainless steel thin tube As short as possible, slightly opening the cylinder valve release heptafluoropropane (HFC227ea) fire extinguishing agent, flushing valve and connecting pipe 1min, then The rapid end of the connection pipe connected to the sample close the cylinder valve. The sample cylinder on the scales (if necessary, sample cylinders can be immersed in an ice-salt bath In), the heptafluoropropane (HFC227ea) extinguishing agent cylinder outlet valve open, open the sample cylinder valve so heptafluoropropane (HFC227ea) extinguishing agents poured into them. From the change in weight scales instructions to determine the weight of poured sample. After sampling, the first close Sampling cylinder valve, then close the filling heptafluoropropane (HFC227ea) extinguishing agent cylinder valve, remove the connecting pipe. All tests were Liquid should be sampled. 5.3 Purity Determination 5.3.1 measuring instrument Purity measuring device using gas chromatography with capillary column and FID (with hydrogen as a carrier gas, terephthalic sensitive Degree should be higher than 8000mV · mL/mg). 5.3.2 The measurement conditions Purity determination conditions shown in Table 2. Table 2 purity measurement conditions Condition of the item FID detector Detector temperature/℃ 30 ~ 300 Column flow/(mL/min) 20 Compensating gas flow rate/(mL/min) 45 Condition of the item Inlet temperature/℃ 200 Inlet Split/Splitless Inlet, Split ratio 40.1 Column temperature/℃ 200 Column GasPro30m × 0.32mm 5.3.3 measuring step 5.3.3.1 Start a gas chromatograph, according to the conditions specified 5.3.2 adjustment instrument, the instrument's condition stabilized and meet the requirements. 5.3.3.2 The heptafluoropropane (HFC227ea) fire extinguishing agent sample cylinder connected to sampling tube, down cylinders (like taking liquid gasification), open the cylinder Valve, so that heptafluoropropane (HFC227ea) extinguishing agents exhaust 1s ~ 3s, and then import the gas chromatograph were measured. 5.3.3.3 using a calculation method of the area normalization purity calculation heptafluoropropane (HFC227ea) extinguishing agents. 5.3.3.4 Take three parallel determination results of the arithmetic mean of the measurement results, each time measuring absolute deviation should not exceed 0.05%. 5.4 Determination of acidity 5.4.1 Principle Overview The sample vaporization, bubbling into the laboratory three water absorption of acidic substances to bromocresol green as indicator solution, titration with sodium hydroxide standard Titration, and seek acidity (based on HCl). 5.4.2 Reagents and Instruments Reagents, instruments and their requirements are as follows. a) sodium hydroxide standard titration solution. molar concentration of 0.01mol/L; b) bromocresol green indicator solution. concentration of 1g/L; c) Electronic balance. a sense of the amount of 1g; d) microburette. minimum scale value 0.01mL; e) perforated gas bottle. the volume of 250mL; f) conical flask. volume of 250mL. 5.4.3 measuring step 5.4.3.1 In the three perforated gas bottle in three labs were added 100mL of water was added in the third porous gas wash bottle Bromocresol green indicator solution (2-3) drops, duct series. 5.4.3.2 Dry the sample cylinders and valves, weighing, accurate to 1g, sampling the cylinder valve connected to the first outlet a porous gas bottle, After slowly open the cylinder valve so that the liquid sample vaporization through three perforated gas bottle, after about 100g sample passed through the cylinder valve closed, Remove the sample cylinder, dried, weighed, accurate to 1g. 5.4.3.3 If the third porous gas bottle was not indicated in color, continue the following step, otherwise repeat the test. 5.4.3.4 The first and second porous gas washing water combined, transferred to a conical flask and bromocresol green indicator solution (2-3) drops of Standard sodium hydroxide solution was titrated to the end point. 5.4.4 Calculation Heptafluoropropane (HFC227ea) extinguishing agent acidity (based on HCl) mass fraction X (%) according to equation (1). X = C (NaOH) × V × 0.0365/(m1-m2) × 100% (1) Where. V --- sodium hydroxide standard titration solution consumption volume in milliliters (mL); C (NaOH) --- the actual concentration of sodium hydroxide standard titration solution, expressed in moles per liter (mol/L); M1 --- sample before absorbing quality sampling cylinder units of grams (g); m2 --- sample after absorbing quality sampling cylinder units of grams (g); 0.0365 --- quality hydrogen chloride and sodium hydroxide standard titration solution 1.00mL equivalent in grams. Arithmetic mean of two parallel determination results as a measurement result, the difference between two parallel determination results shall not be greater than 0.0001%. 5.5 Determination of Moisture Determination of water according to the provisions of GB/T 7376 will be. 5.6 Determination of evaporation residue 5.6.1 Principle The sample was evaporated, weighed quality high-boiling residue, obtained by evaporation of the levels of residue. 5.6.2 Reagents and Instruments Reagents, instruments and their requirements are as follows. a) cleaning solution. methylene chloride (AR); b) Evaporator. by the evaporator tubes and weighing tubes, shown in Figure 1; c) constant temperature water bath; d) Drying oven. You can adjust the temperature to 105 ℃ ± 2 ℃. Figure 1 evaporator 5.6.3 measuring step 5.6.3.1 weighed tube at 105 ℃ ± 2 ℃ electric blast drying oven for about 30min after cooling in a dryer, weighing accuracy 0.1mg far, the evaporation pipe. 5.6.3.2 Weigh the sample is cooled to about 800g does not boil in the evaporator, part of the weighing tube immersed in a constant temperature water bath, the sample was distilled hair. Thermostatic water bath temperature was adjusted to the sample can be completed in 1.5h ~ 2.0h evaporated. 5.6.3.3 After the sample injector was added 10mL cleaning liquid in the evaporator, the weighing tube in a constant temperature water bath of about 90 ℃, so wash Net fluid gasification, gasification is completed, the weighing tube in electric blast oven 105 ℃ ± 2 ℃ dried for about 30min later, in a dryer Cooling, weighing accuracy up to 0.1mg. 5.6.4 Calculation Evaporation residue Y (%) according to equation (2). Y = m1-m2m × 100% (2) Where. m1 --- weighing tube mass in grams (g); Mass m2 --- after the sample injector tube weighing in grams (g); M --- the quality of the sample, in grams (g). 5.7 Determination of suspended solids or sediment Take not boiling cooling the sample placed in 10mL test tube inner diameter of about 15mm, the outer wall of the tube attached to dry frost or moisture from the horizontal Perspective to see if there is turbidity or sediment. 5.8 extinguishing concentration (cup burner method) Determination of extinguishing concentration (cup burner method) according to GB/T 20702-2006 A specified A.1 ~ A.4 and A.6 into Appendix Line, the fuel is n-heptane. 5.9 Determination of toxicity 5.9.1 Test apparatus 5.9.1.1 Overview of the device Test device consists of extinguishing agent and air supply system, mouse movement recording system, and the cage of mice exposed box and other components, as shown in FIG. Explanation. 1 --- mouse cage; 2 --- exposure box; 3 --- Computer; 4 --- flowmeter; 5 --- flowmeter; 6 --- air supply system; 7 --- sample gas fire extinguishing agent; 8 --- exhaust port; . 9 --- three-way cock. 2 gas fire extinguishing agent toxicity testing apparatus of FIG. 5.9.1.2 Mouse tumble Mouse cage made of aluminum, shown in Figure 3, the quality of the cage 60g ± 10g; mouse cage should be flexible rotation on the stand, no fixed Stand point. Millimeters Figure 3 mice tumble 5.9.1.3 Exposure Box Exposure colorless transparent plexiglass box material, exposed box available space volume of about 9.2L, which can accommodate 10 mice were transfected Toxicity tests. 5.9.1.4 extinguishing agent and air supply systems Extinguishing agent and air supply systems (compressed air or bottled air compressor extraction clean ambient air) from the air source and adjustable 2.5 gas meter and gas pipeline components. 5.9.1.5 mouse movement recording system Mouse movement recording using infrared or magnetic signals to monitor the situation mouse cage rotation, the time each mouse - motion pattern should be qualitatively Each time reflects the angular velocity of the cage. 5.9.2 Test requirements for animals 5.9.2.1 test animals should be in line with clean-stage test mice GB 14922.1 and GB 14922.2 requirements. 5.9.2.2 test mice must be obtained from experimental animal production unit to obtain a license, the genetic classification should be consistent with GB 14923 inbreeding Department or closed group requirements. 5.9.2.3 test mice obtained from the production unit shall be adaptability to environment feeding, two days before the test, the test mice body weight should increase again Weeks should be 5 weeks to 8 weeks experience, quality should be 21g ± 3g. 5.9.2.4 Each test group of mice to test 8 or 10. They were randomly grouped. 5.9.2.5 test mice drinking water should meet the requirements of GB 5749; feed shall comply with the requirements of GB 14924.3; environment and facilities should be consistent GB 14925's requirements. 5.9.3 Test procedure 5.9.3.1 before the test 5min, the mice should be weighed by number, caged, placed on the exposure chamber holder, close the cover exposed cover. 5.9.3.2 Open extinguishing agent and air supply systems and separately adjusting the flow rate so that the concentration of the mixed gas fire extinguishing agent and air agent reached 5.8 Test extinguishing concentration of 1.3 times. 5.9.3.3 By way cock initial 10min of mixing gas directly discharged, then rotate the three-way stopcock and let the mixture into the exposed Box, the test begins. 5.9.3.4 test was 30min, mice were observed and recorded in the process of behavior change. 5.9.3.5 30min end of the test, quickly open the exposure box, take out mice. 5.9.4 Experimental observation of phenomena The mice were observed movement 5.9.4.1 30min exposure period. changes in breathing, coma, convulsions, startle, struggle, can not stand, can not want to run And other symptoms; changes in mouse eye area. The eyes, tearing, swelling, loss of vision and so on. Recording of the phenomenon of time and the time of death. We should observe changes in the behavior of the mice within 1h after 5.9.4.2 and recorded immediately after exposure and exposure. Within 3d 5.9.4.3 after exposure should be observed changes in a variety of symptoms in mice, recording various phenomena and death every day. 5.9.5 to determine the nature of the poison damage 5.9.5.1 mice following symptoms and characteristics, the toxicity is determined that "anesthesia". a) the exposure period, mice coma, startle, convulsions, loss of balance, sit, want to run can not wait for symptoms; b) mouse movement patterns appear in infected mice for a long time period to stop the movement or after a certain time no longer escape the loss of movement From capacity characteristic spectrum; c) in the mice died within 1h 30min exposure period or after. 5.9.5.2 mice following symptoms and characteristics, the toxicity is determined that the "stimulus". a) seek to avoid the exposure period in mice, with a clear eye and respiratory abnormal behavior, increased mucus mouth and nose; eyes showed mild irritation, Cry, rapid breathing; moderate and severe irritation of the cornea showed white, swelling, and even loss of vision, and to promote gas tight cough; b) mice mouse movement patterns show almost always running; c) After the mice were exposed to 3 days of slow, weak or anorexia phenomenon of death.6 Inspection rules6.1 test categories and items 6.1.1 factory inspection Purity, acidity and moisture to the factory inspection items. 6.1.2 Type inspection Chapter 4 All items specified in Table 1 for the type inspection items. When one of the following circumstances, should be the product type test. a) identification of new products or old products to the plant when; B) after the official production, such as raw materials, technology has greatly changed; c) periodical surveys every three years when official production; d) discontinued more than one year to resume production; e) major quality accidents; f) the national quality supervision bodies during type inspection requirements. 6.2 Batch Factory inspection one-time feed to the processing equipment to obtain a uniform material batch. In a production en......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 18614-2012_English be delivered?Answer: Upon your order, we will start to translate GB 18614-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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